2011 Toyota Tundra: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 35 owner complaints for the 2011 Toyota Tundra that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11567783 (filed 01/25/2024): “The contact owns a 2011 toyota tundra. the contact stated while driving at an undisclosed speed, the check engine waning light illuminated. the vehicle was taken to the dealer to be diagnosed. the contact was informed of secondary error in the injection system caused by water intrusion. the contact …”
- NHTSA complaint ODI #11550845 (filed 10/19/2023): “* according to the different computers codes the issue is secondary air injection pump failure. *driving on the highway i had the limp mode which created a drastic velocity drop from 70 mph to 40 mph which created a situation that almost ended up in having another car hitting me from behind. this …”
- NHTSA complaint ODI #11483025 (filed 09/06/2022): “1. the secondary air injection valve and/or air injection pump. 2. sometimes the vehicle will go into "limp" mode and only go 35 mph. if the switch valve is stuck "closed" like mine, the car may not be able to dilute the exhaust fumes and the fumes and travel into the cabin of the vehicle. 3. yes, …”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .